An unexpected reaction between 6,7-dimethoxy-2H-1,3-benzothiazine and dimethyl acetylenedicarboxylate

L. Fodor, G. Bernáth, P. Sohár, Diether Gröschl, Herbert Meier

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

6,7-Dimethoxy-2H-1,3-benzothiazine reacted with dimethyl acetylenedicarboxylate in aqueous methanol to give heterocycles with unexpected structures. A mechanism is proposed for the reaction.

Original languageEnglish
Pages (from-to)231-234
Number of pages4
JournalMonatshefte fur Chemie
Volume137
Issue number2
DOIs
Publication statusPublished - Feb 2006

Fingerprint

Methanol
acetylenedicarboxylic acid dimethyl ester

Keywords

  • 5,13-Dithiaxylopinine
  • Benzothiopyrane
  • Dimethyl acetylenedicarboxylate cycloadditions
  • Reaction mechanism
  • S,N-Heterocycles

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

An unexpected reaction between 6,7-dimethoxy-2H-1,3-benzothiazine and dimethyl acetylenedicarboxylate. / Fodor, L.; Bernáth, G.; Sohár, P.; Gröschl, Diether; Meier, Herbert.

In: Monatshefte fur Chemie, Vol. 137, No. 2, 02.2006, p. 231-234.

Research output: Contribution to journalArticle

@article{3397d18b996d4d1e8c71760907765c91,
title = "An unexpected reaction between 6,7-dimethoxy-2H-1,3-benzothiazine and dimethyl acetylenedicarboxylate",
abstract = "6,7-Dimethoxy-2H-1,3-benzothiazine reacted with dimethyl acetylenedicarboxylate in aqueous methanol to give heterocycles with unexpected structures. A mechanism is proposed for the reaction.",
keywords = "5,13-Dithiaxylopinine, Benzothiopyrane, Dimethyl acetylenedicarboxylate cycloadditions, Reaction mechanism, S,N-Heterocycles",
author = "L. Fodor and G. Bern{\'a}th and P. Soh{\'a}r and Diether Gr{\"o}schl and Herbert Meier",
year = "2006",
month = "2",
doi = "10.1007/s00706-005-0408-6",
language = "English",
volume = "137",
pages = "231--234",
journal = "Monatshefte fur Chemie",
issn = "0026-9247",
publisher = "Springer Wien",
number = "2",

}

TY - JOUR

T1 - An unexpected reaction between 6,7-dimethoxy-2H-1,3-benzothiazine and dimethyl acetylenedicarboxylate

AU - Fodor, L.

AU - Bernáth, G.

AU - Sohár, P.

AU - Gröschl, Diether

AU - Meier, Herbert

PY - 2006/2

Y1 - 2006/2

N2 - 6,7-Dimethoxy-2H-1,3-benzothiazine reacted with dimethyl acetylenedicarboxylate in aqueous methanol to give heterocycles with unexpected structures. A mechanism is proposed for the reaction.

AB - 6,7-Dimethoxy-2H-1,3-benzothiazine reacted with dimethyl acetylenedicarboxylate in aqueous methanol to give heterocycles with unexpected structures. A mechanism is proposed for the reaction.

KW - 5,13-Dithiaxylopinine

KW - Benzothiopyrane

KW - Dimethyl acetylenedicarboxylate cycloadditions

KW - Reaction mechanism

KW - S,N-Heterocycles

UR - http://www.scopus.com/inward/record.url?scp=31344470709&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=31344470709&partnerID=8YFLogxK

U2 - 10.1007/s00706-005-0408-6

DO - 10.1007/s00706-005-0408-6

M3 - Article

AN - SCOPUS:31344470709

VL - 137

SP - 231

EP - 234

JO - Monatshefte fur Chemie

JF - Monatshefte fur Chemie

SN - 0026-9247

IS - 2

ER -